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Dev.to
Dev.to
6/17/2026
Linux Disk Usage Explained Simply

Linux Disk Usage Explained Simply

Short summary

Master Linux disk monitoring with practical commands: df -h displays overall usage, du -sh identifies space-consuming directories, find locates large files, and ncdu offers interactive analysis. Essential DevOps skill for troubleshooting production outages. Covers critical edge cases like inode exhaustion and orphaned deleted files that cause spurious full-disk errors despite available space.

  • df, du, find, and ncdu are core Linux disk troubleshooting commands for production systems
  • Disk can appear full due to inode exhaustion or deleted open files, not just space consumption
  • Critical hands-on DevOps skill for maintenance, outage response, and system stability

Generated with AI, which can make mistakes.

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